The purpose of this study is to compare the efficacy and tolerability of ziprasidone versus olanzapine in the treatment of acute mania. An open label extension will further evaluate the efficacy, safety, and tolerability of ziprasidone compared with olanzapine. Study recruitment was stopped due to difficulty in enrolling the targeted number of patients on July 30, 2007. Subjects that were enrolled at the time completed the study as per protocol. There were no safety concerns involved in the decision to stop enrollment. The Last Subject Last Visit was January 10, 2008.

A Multicenter, Randomized, Double-Blind, Parallel Group Study, Comparing The Efficacy And Tolerability Of Ziprasidone (Zeldox, Geodon) vs. Olanzapine (Zyprexa) In The Treatment And Maintenance Of Response In Patients With Acute Mania

Ziprasidone will be initiated at 80 mg/day on Day 1 and titrated to 120 mg/day from Day 3. From Day 7 the dosage may be adjusted on the basis of clinical status between 120 and 160 mg/day.

Other Name: Geodon, Zeldox

Active Comparator: B

Drug: olanzapine

Olanzapine will be started at 15 mg/day on Day 1 until Day 7. The dosage will then be adjusted on the basis of clinical status between 15 and 20 mg/day.

Eligibility

Ages Eligible for Study:

18 Years to 65 Years

Genders Eligible for Study:

Both

Accepts Healthy Volunteers:

No

Criteria

Inclusion Criteria:

Have a primary diagnosis of Bipolar I Disorder, current episode manic (DSM-IV 296.4x) or mixed (DSM-IV296.6x) as determined by a structured clinical interview (Mini International Neuropsychiatric Interview (MINI)) at screening.

A minimum score of 20 on the YMRS (Youngs Mania Rating Scale).

Exclusion Criteria:

Have a diagnosis of learning disability or organic brain syndrome.

Have a substance-induced psychotic disorder or behavioral disturbance thought to be due to substance abuse.

Contacts and Locations

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To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below.
For general information, see Learn About Clinical Studies.

Please refer to this study by its ClinicalTrials.gov identifier: NCT00329108